Oat milk offers several necessary nutrients such as: B Vitamins (Folate and Thiamin), Zinc, Copper and Magnesium to name a few. So if you’re wondering if oat milk smoothies are good for you, consider that you can count on oat milk as plant-based source of several necessary nutrients. Also, just keep in mind if you are looking to reduce the fat and sugar in your diet, you might want to go with a low-fat and/or no sugar added oat milk.